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311410244020021 = 19159001910308061
BaseRepresentation
bin100011011001110011101100…
…0111110010110011100110101
31111211121112021100002202211021
41012303213120332112130311
5311304121134432120041
63022151520252541141
7122410435102414126
oct10663473076263465
91454545240082737
10311410244020021
1190252385334683
122ab154847817b1
131049bb245821c3
1456c849c89404d
152600765e21cd1
hex11b39d8f96735

311410244020021 has 8 divisors (see below), whose sum is σ = 327800494824800. Its totient is φ = 295020017011440.

The previous prime is 311410244020019. The next prime is 311410244020079. The reversal of 311410244020021 is 120020442014113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311410244020021 - 21 = 311410244020019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311410244020091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25056331 + ... + 35364391.

It is an arithmetic number, because the mean of its divisors is an integer number (40975061853100).

Almost surely, 2311410244020021 is an apocalyptic number.

It is an amenable number.

311410244020021 is a deficient number, since it is larger than the sum of its proper divisors (16390250804779).

311410244020021 is a wasteful number, since it uses less digits than its factorization.

311410244020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898099.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 311410244020021 its reverse (120020442014113), we get a palindrome (431430686034134).

The spelling of 311410244020021 in words is "three hundred eleven trillion, four hundred ten billion, two hundred forty-four million, twenty thousand, twenty-one".

Divisors: 1 19 1590019 10308061 30210361 195853159 16390012843159 311410244020021